Home / 89,493.59-134,156.55-30,287.81

Finding the Fourth Proportional to 89,493.59, 134,156.55 and 30,287.81

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Solution

The fourth proportional to 89,493.59, 134,156.55 and 30,287.81 is: 45,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,493.59 : 134,156.55 = 30,287.81 : x
  2. Step 2: Convert to fraction form
    89,493.59/134,156.55 = 30,287.81/x
  3. Step 3: Cross multiply
    89,493.59x = 134,156.55 × 30,287.81
  4. Step 4: Simplify right side
    89,493.59x = 4,063,308,096.66
  5. Step 5: Solve for x
    x = 4,063,308,096.66/89,493.59
  6. Step 6: Final answer
    x = 45,403.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.